The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 25, 1997
Filed:
Sep. 08, 1995
Applicant:
Inventors:
Assignee:
Le Carbone Lorraine, Courbevoie, FR;
Primary Examiner:
Int. Cl.
CPC ...
H01M / ; H01M / ;
U.S. Cl.
CPC ...
429190 ; 429192 ; 429197 ; 429212 ; 429218 ;
Abstract
A composite carbon/polymer electrode for a rechargeable electrochemical lithium cell comprises a powder of carbonaceous material and a coating polymer rendered ionically conductive by the addition of a lithium salt, and possibly carbon black or carbon fibers. The carbonaceous material has a proportion of volatile matter between 5 and 22 wt %, and is preferably a raw coke or a semi-coke.